Test your basic knowledge |

DSST Physical Sciences Principles

Subjects : dsst, science

Instructions:

Answer 31 questions in 15 minutes.
If you are not ready to take this test, you can study here.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.

1. Electric power companies step up the voltage of generated power for transmission across the country because higher voltage...
12 miles per hour
Universal
Decreased
Means less power is transmitted

2. If a charging elephant has kinetic energy - it must also have...
Momentum
Mechanical - chemical - and radiant energy
5 m/s
Twice the work

3. Which is not one of the fundamental forces of nature...
Waste heat for secondary uses
Twice the work
Less on the moon
Universal

4. A ship travels 3 miles in 15 minutes what is its speed in miles per hour...
Sulfur
12 miles per hour
Newtons third principle of Universal Gravitation
Newtons first principle of Universal Gravitation

5. Heat is the...
Difference between the heat supplied and the heat exhausted
Total internal energy of an object
Increasing speed and constant acceleration
Mechanical - chemical - and radiant energy

6. Circular motion requires centripetal force
Halogen radicals interfering in ozone synthesis
Waves and particles
First principle of Centripetal force
Newtons first principle of Universal Gravitation

7. The work that a heat engine is able to accomplish is ideally equivalent to the
First principle of Centripetal force
Disorder
Difference between the heat supplied and the heat exhausted
Movement

8. In burning coal - what contaminant is of major concern as a pollutant...
Waste heat for secondary uses
Remains unchanged
Sulfur
Movement

9. Entropy refers to...
Disorder
Sulfur
Newtons third principle of Universal Gravitation
Means less power is transmitted

10. All objects with mass are attracted to another by the gravitational force
Disorder
Newtons first principle of Universal Gravitation
Twice the work
Newtons third principle of Universal Gravitation

11. A 5 kg fish that is swimming toward it at a velocity that brings both fish to a halt. What is the speed of the smaller fish?
5 m/s
Newtons second principle of Universal Gravitation
Difference in the sped of light in water vs. air
Increasing speed and constant acceleration

12. The heat involved in the change of phase of phase from solid ice to liquid water is called...
Heat of fusion
Newtons third principle of Universal Gravitation
Decreased
Increases the energy

13. When you add heat to a substance - its temperature...
Might stay the same
Near a maximum
Mechanical - chemical - and radiant energy
Movement

14. cogeneration uses...
Less on the moon
Waste heat for secondary uses
Increasing speed and constant acceleration
Near a maximum

15. The reason that a spear fisherman cannot see where the fish is actually located is...
Less on the moon
Newtons second principle of Universal Gravitation
Movement
Difference in the sped of light in water vs. air

16. The larger the centripetal force - the faster an object travels in a circle of a given size
Difference in the sped of light in water vs. air
First principle of Centripetal force
Second principle of Centripetal force
Increasing speed and constant acceleration

17. The gravitational force - two masses are directly proportional to the mass of each object
Newtons second principle of Universal Gravitation
263 degrees kelvin
Universal
Difference in the sped of light in water vs. air

18. From the 50's and to the 70's - the pH of rain in the northeast had..
Newtons second principle of Universal Gravitation
Decreased
Means less power is transmitted
Momentum

19. The gravitational force between two masses is inversely proportional to the square of the distance between those two objects.
Newtons second principle of Universal Gravitation
First principle of Centripetal force
Newtons third principle of Universal Gravitation
Total internal energy of an object

20. A temperature of -10 degrees celsius is equivalent to...
263 degrees kelvin
Movement
Newtons first principle of Universal Gravitation
12 miles per hour

21. Electrical energy can be converted to...
5 m/s
Remains unchanged
Mechanical - chemical - and radiant energy
Total internal energy of an object

22. Neglecting air resistance - a ball in free fall near the earth's surface will have...
Waste heat for secondary uses
Sulfur
Newtons first principle of Universal Gravitation
Increasing speed and constant acceleration

23. If the mass of a cart full of groceries decreases of half and its speed doubles - the momentum of the cart...
Mechanical - chemical - and radiant energy
Means less power is transmitted
Remains unchanged
Increasing speed and constant acceleration

24. In a generator - the flow of electrons (current) is created by...
Movement
Less on the moon
Second principle of Centripetal force
12 miles per hour

25. At a given speed - the centripetal force - the smaller the circle.
First principle of Centripetal force
Third principle of Centripetal force
Disorder
Newtons first principle of Universal Gravitation

26. Increasing the frequency of light
Increases the energy
Newtons first principle of Universal Gravitation
263 degrees kelvin
12 miles per hour

27. Raising an auto in a service station requires work. Raising it twice as high requires...
5 m/s
Twice the work
Increases the energy
Near a maximum

28. The ozone hole results from...
Difference between the heat supplied and the heat exhausted
Halogen radicals interfering in ozone synthesis
Decreased
Twice the work

29. The weight of one kilogram of iron on earth is...
Near a maximum
Waves and particles
Less on the moon
12 miles per hour

30. The theoretical production curve of oil indicates oil production is...
First principle of Centripetal force
Difference between the heat supplied and the heat exhausted
Near a maximum
Mechanical - chemical - and radiant energy

31. Electromagnetic radiation can be viewed as...
First principle of Centripetal force
Twice the work
Waste heat for secondary uses
Waves and particles